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Efficient way to determine number of digits in an integer
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Well, the most efficient way, presuming you know the size of the integer, would be a lookup. Should be faster than the much shorter logarithm based approach. If you don't care about counting the '-', remove the + 1.
// generic solution
template <class T>
int nu...
How do I find the location of the executable in C? [duplicate]
...me/where/else/foo # create a hard link to foo
$ /some/where/else/foo
Now, the approach above (including, I suspect, /proc/$pid/exe) will give /some/where/else/foo as the real path to the program. And, in fact, it is a real path to the program, just not the one you wanted. Note that this prob...
Python: Find in list
... you describe: Checking whether something is inside a list or not. As you know, you can use the in operator for that:
3 in [1, 2, 3] # => True
Filtering a collection
That is, finding all elements in a sequence that meet a certain condition. You can use list comprehension or generator expressi...
Why rename synthesized properties in iOS with leading underscores? [duplicate]
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This is an artifact of a previous version of the Objective-C runtime.
Originally, @synthesize was used to create accessors methods, but the runtime still required that instance variables had to be instantiated explicitly:
@interface Foo...
How to get key names from JSON using jq
... replaced spaces with _ which resolved the issue. Thank you very much! but now one more problem. : ( I am getting different orders when i get keys alone and when i get values alone : (
– Ezhilan Mahalingam
Apr 16 '14 at 20:13
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How do I clear only a few specific objects from the workspace?
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what if I want to remove all variables with names start with letter A, say 'A001', 'A002'.... 'A999'. I don't want to type so many variable names. Thanks!
– user3768495
Sep 22 '15 at 16:04
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How can I expand the full path of the current file to pass to a command in Vim?
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@keflavich :help filename-modifiers
– Annika Backstrom
Jan 25 '12 at 3:38
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How to test if a string is basically an integer in quotes using Ruby
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I know a lot of people use it, and it's certainly aesthetically pleasing. To me though it's an indication that the code needs restructuring. If you're expecting an exception...it's not an exception.
– Sarah...
Why doesn't requests.get() return? What is the default timeout that requests.get() uses?
...u're right. None means infinite (or "wait until the connection is close"). If I pass timeout myself, it returns!
– Nawaz
Jul 22 '13 at 8:00
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How to apply bindValue method in LIMIT clause?
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would be cool if someone provided the explanation why this is so...from a design/security (or other) standpoint.
– Ross
Sep 25 '12 at 0:23
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